Southwest Airlines flight WN 4623: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:00 Saint Louis (STL) 2 09:20 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-07 through 2025-08-02
Sun 06:20 Saint Louis (STL) 2 09:40 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 09:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 09:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-21 through 2025-11-28
Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 09:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 06:20 Phoenix Sky Harbor (PHX) 4 09:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-12-18
Mon 06:20 Phoenix Sky Harbor (PHX) 4 09:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-01-05
Sat 06:45 San Diego (SAN) 1 08:25 Sacramento (SMF) B
WN 4623 Non-stop Boeing 737-700 (73W) 1:40 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 07:00 San Diego (SAN) 1 08:45 Sacramento (SMF) B
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 07:10 Saint Louis (STL) 2 10:30 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 07:10 Saint Louis (STL) 2 10:30 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-07-07 through 2025-08-04
Sat 07:20 Orlando (MCO) 09:05 Saint Louis (STL) 2
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2025-11-22 through 2025-11-29
Sat 07:20 Orlando (MCO) 09:05 Saint Louis (STL) 2
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2025-12-20 through 2026-01-03
Fri 07:35 Saint Louis (STL) 2 11:00 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:25 Operates only on 2025-07-04
Mon,Thu,Fri 09:35 Sacramento (SMF) B 11:35 Seattle-Tacoma (SEA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-08-07 through 2025-09-29
Sat 10:10 Love Field, Dallas (DAL) 1 13:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-11-08 through 2025-11-15
Sat 10:10 Love Field, Dallas (DAL) 1 13:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri,Sun 10:30 Love Field, Dallas (DAL) 1 14:15 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 10:30 Love Field, Dallas (DAL) 1 14:15 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-11-21 through 2025-11-28
Fri,Sun 10:30 Love Field, Dallas (DAL) 1 14:15 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-12-07 through 2025-12-14
Thu 10:30 Love Field, Dallas (DAL) 1 14:15 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2025-12-18
Mon 10:30 Love Field, Dallas (DAL) 1 14:15 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-01-05
Sun 10:55 Love Field, Dallas (DAL) 1 14:40 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2025-11-30
Mon,Thu,Fri 12:20 Seattle-Tacoma (SEA) 16:05 Denver (DEN)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-08-07 through 2025-09-29
Sun 15:30 Houston Hobby (HOU) 16:55 Tulsa (TUL)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-10-05 through 2025-10-26
Sat 16:00 Houston Hobby (HOU) 17:25 Tulsa (TUL)
WN 4623 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-10-04 through 2025-11-01
Tue,Wed 16:55 Albuquerque (ABQ) 19:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 16:55 Albuquerque (ABQ) 19:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-17 through 2025-11-20
Mon-Fri 16:55 Albuquerque (ABQ) 19:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 16:55 Albuquerque (ABQ) 19:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-15 through 2025-12-17
Wed,Thu 16:55 Albuquerque (ABQ) 19:40 Love Field, Dallas (DAL) 1
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-24 through 2026-01-01
Tue,Wed 17:35 Saint Louis (STL) 2 21:00 New York LaGuardia (LGA) B
WN 4623 Non-stop Boeing 737-700 (73W) 2:25 Effective 2025-06-10 through 2025-07-30
Sat 18:05 Tulsa (TUL) 18:50 Denver (DEN)
WN 4623 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-10-04 through 2025-11-01
Tue,Wed 20:15 Love Field, Dallas (DAL) 1 23:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-04 through 2025-11-12
Mon-Thu 20:15 Love Field, Dallas (DAL) 1 23:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-17 through 2025-11-20
Mon-Fri 20:15 Love Field, Dallas (DAL) 1 23:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-02 through 2025-12-11
Mon-Wed 20:15 Love Field, Dallas (DAL) 1 23:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-15 through 2025-12-17
Wed,Thu 20:15 Love Field, Dallas (DAL) 1 23:55 Ronald Reagan Washington (DCA)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 20:35 Tulsa (TUL) 21:25 Denver (DEN)
WN 4623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 21:05 San Jose (SJC) B 22:50 Portland (PDX)
WN 4623 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Valid until 2025-06-02
Non-Direct Flights:
Mon,Thu,Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 14:15 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 14:15 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-11-21 through 2025-11-28
Fri,Sun 06:20 Phoenix Sky Harbor (PHX) 4 14:15 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:55 Effective 2025-12-07 through 2025-12-14
Thu 06:20 Phoenix Sky Harbor (PHX) 4 14:15 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:55 Operates only on 2025-12-18
Mon 06:20 Phoenix Sky Harbor (PHX) 4 14:15 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:55 Operates only on 2026-01-05
Mon,Thu,Fri 07:00 San Diego (SAN) 1 11:35 Seattle-Tacoma (SEA)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 09:35 Sacramento (SMF) B 16:05 Denver (DEN)
WN 4623 1-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2025-08-07 through 2025-09-29
Sat 16:00 Houston Hobby (HOU) 18:50 Denver (DEN)
WN 4623 1-stop Boeing 737-800 (73H) 3:50 Effective 2025-10-04 through 2025-11-01
Tue,Wed 16:55 Albuquerque (ABQ) 23:55 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 16:55 Albuquerque (ABQ) 23:55 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 16:55 Albuquerque (ABQ) 23:55 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 16:55 Albuquerque (ABQ) 23:55 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 16:55 Albuquerque (ABQ) 23:55 Ronald Reagan Washington (DCA)
WN 4623 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 07:00 San Diego (SAN) 1 16:05 Denver (DEN)
WN 4623 2-stop Boeing 737 MAX 8 (7M8) 8:05 Effective 2025-08-07 through 2025-09-29
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Southwest Airlines flight WN 4623: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4623
06:00
Saint Louis (STL) 2

09:20
New York LaGuardia (LGA) B
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
06:20
Saint Louis (STL) 2

09:40
New York LaGuardia (LGA) B
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

09:40
Love Field, Dallas (DAL) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

09:40
Love Field, Dallas (DAL) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

09:40
Love Field, Dallas (DAL) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

09:40
Love Field, Dallas (DAL) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

09:40
Love Field, Dallas (DAL) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:45
San Diego (SAN) 1

08:25
Sacramento (SMF) B
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
07:00
San Diego (SAN) 1

08:45
Sacramento (SMF) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
07:10
Saint Louis (STL) 2

10:30
New York LaGuardia (LGA) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
07:10
Saint Louis (STL) 2

10:30
New York LaGuardia (LGA) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
07:20
Orlando (MCO)

09:05
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
07:20
Orlando (MCO)

09:05
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
07:35
Saint Louis (STL) 2

11:00
New York LaGuardia (LGA) B
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
09:35
Sacramento (SMF) B

11:35
Seattle-Tacoma (SEA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:10
Love Field, Dallas (DAL) 1

13:55
Ronald Reagan Washington (DCA)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
10:10
Love Field, Dallas (DAL) 1

13:55
Ronald Reagan Washington (DCA)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
10:30
Love Field, Dallas (DAL) 1

14:15
Ronald Reagan Washington (DCA)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:30
Love Field, Dallas (DAL) 1

14:15
Ronald Reagan Washington (DCA)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:30
Love Field, Dallas (DAL) 1

14:15
Ronald Reagan Washington (DCA)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:30
Love Field, Dallas (DAL) 1

14:15
Ronald Reagan Washington (DCA)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:30
Love Field, Dallas (DAL) 1

14:15
Ronald Reagan Washington (DCA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
10:55
Love Field, Dallas (DAL) 1

14:40
Ronald Reagan Washington (DCA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
12:20
Seattle-Tacoma (SEA)

16:05
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
15:30
Houston Hobby (HOU)

16:55
Tulsa (TUL)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
16:00
Houston Hobby (HOU)

17:25
Tulsa (TUL)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

19:40
Love Field, Dallas (DAL) 1
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

19:40
Love Field, Dallas (DAL) 1
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

19:40
Love Field, Dallas (DAL) 1
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

19:40
Love Field, Dallas (DAL) 1
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

19:40
Love Field, Dallas (DAL) 1
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
17:35
Saint Louis (STL) 2

21:00
New York LaGuardia (LGA) B
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4623
18:05
Tulsa (TUL)

18:50
Denver (DEN)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
20:15
Love Field, Dallas (DAL) 1

23:55
Ronald Reagan Washington (DCA)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
20:15
Love Field, Dallas (DAL) 1

23:55
Ronald Reagan Washington (DCA)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
20:15
Love Field, Dallas (DAL) 1

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
20:15
Love Field, Dallas (DAL) 1

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
20:15
Love Field, Dallas (DAL) 1

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
20:35
Tulsa (TUL)

21:25
Denver (DEN)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
21:05
San Jose (SJC) B

22:50
Portland (PDX)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

14:15
Ronald Reagan Washington (DCA)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

14:15
Ronald Reagan Washington (DCA)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

14:15
Ronald Reagan Washington (DCA)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

14:15
Ronald Reagan Washington (DCA)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
06:20
Phoenix Sky Harbor (PHX) 4

14:15
Ronald Reagan Washington (DCA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
07:00
San Diego (SAN) 1

11:35
Seattle-Tacoma (SEA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:35, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
09:35
Sacramento (SMF) B

16:05
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4623
16:00
Houston Hobby (HOU)

18:50
Denver (DEN)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

23:55
Ronald Reagan Washington (DCA)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

23:55
Ronald Reagan Washington (DCA)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
16:55
Albuquerque (ABQ)

23:55
Ronald Reagan Washington (DCA)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4623
07:00
San Diego (SAN) 1

16:05
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:05, 2-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Love Field, Dallas (DAL)
  • Albuquerque (ABQ) - Ronald Reagan Washington (DCA)
  • Houston Hobby (HOU) - Denver (DEN)
  • Houston Hobby (HOU) - Tulsa (TUL)
  • Love Field, Dallas (DAL) - Ronald Reagan Washington (DCA)
  • Orlando (MCO) - Saint Louis (STL)
  • Phoenix Sky Harbor (PHX) - Love Field, Dallas (DAL)
  • Phoenix Sky Harbor (PHX) - Ronald Reagan Washington (DCA)
  • Sacramento (SMF) - Denver (DEN)
  • Sacramento (SMF) - Seattle-Tacoma (SEA)
  • Saint Louis (STL) - New York LaGuardia (LGA)
  • San Diego (SAN) - Denver (DEN)
  • San Diego (SAN) - Sacramento (SMF)
  • San Diego (SAN) - Seattle-Tacoma (SEA)
  • San Jose (SJC) - Portland (PDX)
  • Seattle-Tacoma (SEA) - Denver (DEN)
  • Tulsa (TUL) - Denver (DEN)
All Southwest Airlines flights
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